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swtpm: Refactor parts into SWTPM_NVRAM_LinearFile_DoOpenURI

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Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
This commit is contained in:
Stefan Berger 2024-10-14 12:42:27 -04:00 committed by Stefan Berger
parent e159d26671
commit 8ba4ec3c43
1 changed files with 21 additions and 11 deletions
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32
src/swtpm/swtpm_nvstore_linear_file.c
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@ -139,7 +139,7 @@ fail:
Strip leading "file://" from uri if given.
*/
static const char*
SWTPM_NVRAM_LinearFile_UriToPath(const char* uri)
SWTPM_NVRAM_LinearFile_UriToPath(const char *uri)
{
const char *path = uri;
@ -151,20 +151,11 @@ SWTPM_NVRAM_LinearFile_UriToPath(const char* uri)
}
static TPM_RESULT
SWTPM_NVRAM_LinearFile_Open(const char* uri,
unsigned char **data,
uint32_t *length)
SWTPM_NVRAM_LinearFile_DoOpenURI(const char *uri)
{
TPM_RESULT rc = 0;
const char *path = SWTPM_NVRAM_LinearFile_UriToPath(uri);
bool mode_is_default = false;
if (mmap_state.mapped) {
logprintf(STDERR_FILENO,
"SWTPM_NVRAM_LinearFile_Open: Already open\n");
return TPM_FAIL;
}
mmap_state.fd = open(path, O_RDWR|O_CREAT,
tpmstate_get_mode(&mode_is_default));
if (mmap_state.fd < 0) {
@ -181,6 +172,25 @@ SWTPM_NVRAM_LinearFile_Open(const char* uri,
strerror(errno));
return TPM_FAIL;
}
return 0;
}
static TPM_RESULT
SWTPM_NVRAM_LinearFile_Open(const char* uri,
unsigned char **data,
uint32_t *length)
{
TPM_RESULT rc = 0;
if (mmap_state.mapped) {
logprintf(STDERR_FILENO,
"SWTPM_NVRAM_LinearFile_Open: Already open\n");
return TPM_FAIL;
}
rc = SWTPM_NVRAM_LinearFile_DoOpenURI(uri);
if (rc)
return rc;
rc = SWTPM_NVRAM_LinearFile_Mmap();
if (rc == 0) {